A telephone circuit consisting primarily of telephone relays and associated telephone equipment designed for use in connection with a straight-forward trunk circuit to provide straight-forward signaling facilities on a two wire basis where telephone carrier equipment is not used.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 5998-00-281-5973
NSN 5965-00-244-8428
NSN 6220-00-386-0997
NSN 6685-01-133-3298
NSN 6650-01-394-9234
NSN 5996-00-265-6573
NSN 2925-00-477-2654
NSN 5945-01-186-5450
NSN 5920-01-525-9363
NSN 5985-00-630-1613
NSN 6240-01-521-2921
NSN 7035-01-364-8454